Home / 76,020.96-104,907.28-42,030.87

Finding the Fourth Proportional to 76,020.96, 104,907.28 and 42,030.87

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Solution

The fourth proportional to 76,020.96, 104,907.28 and 42,030.87 is: 58,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,020.96 : 104,907.28 = 42,030.87 : x
  2. Step 2: Convert to fraction form
    76,020.96/104,907.28 = 42,030.87/x
  3. Step 3: Cross multiply
    76,020.96x = 104,907.28 × 42,030.87
  4. Step 4: Simplify right side
    76,020.96x = 4,409,344,595.01
  5. Step 5: Solve for x
    x = 4,409,344,595.01/76,020.96
  6. Step 6: Final answer
    x = 58,001.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.